1816 Guatemala earthquake

1816 Guatemala earthquake 1816 07 22 09:30 Guatemala yes 1816-07-22 15:30 ~7.5 w y (est.) 30.0 km on 15.5 N 91.5 W type:event inline,title Guatemala IX 23 killed The 1816 Guatemala earthquake occurred at 15:30 UTC on 22 July. It had an estimated magnitude of 7.5 to 7.75 on the w y and a maximum perceived intensity of IX (Violent) on the Mercalli intensity scale. The quake, at a depth of 30.0 km (18.6 mi), was caused by movement on the Chixoy-Polochic Fault. The area affected by shaking up to intensity VII (Very strong) was at least 13,000 km2. At least 23 deaths were reported.White RA The Guatemala earthquake of 1816 on the Chixoy-Polochic fault 75 2 455–73 1985 Seismological Society of America dead ftp://ftp.geology.wisc.edu/chuck/guatemala/References/White_85BSSA_PlchcEQ.pdf The discovery of this earthquake 175 years after it occurred was based on study of historical documents, and is notable for showing that this portion of Guatemala, previously believed by many planners to be of low seismic risk, has experienced, and is at further risk of, very large earthquakes. See also List of earthquakes in Guatemala List of historical earthquakes References Category:Earthquakes in Guatemala Category:1816 earthquakes Category:1816 in North America Category:19th century in Guatemala Category:July 1816